APA način citiranja (7. izdanje)
Engstrom, T. W., & Mackenzie, R. A. (1976). Managing your time: Practical guidance on thre effective use of time. Zondervan Publ. House.
Čikaški stil citiranja (17. izdanje)
Engstrom, Ted W., i R. Alec Mackenzie. Managing Your Time: Practical Guidance on Thre Effective Use of Time. Grand Rapids: Zondervan Publ. House, 1976.
MLA način citiranja (9. izdanje)
Engstrom, Ted W., i R. Alec Mackenzie. Managing Your Time: Practical Guidance on Thre Effective Use of Time. Zondervan Publ. House, 1976.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.